2014-10-24  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/bits/atomic_base.h: Avoid including <stdbool.h>.
	* include/std/atomic: When __cplusplus < 201103L skip the rest of
	the header.
	* testsuite/29_atomics/headers/atomic/std_c++0x_neg.cc: Adjust.